[多项选择]德诺尔认为行为科学的弱点有() A. 它不具有严格区分个别行为的微观理论和宏观理论 B. 它理所当然的接受所谓的“均衡”概念,而忽视了人的“适应性” C. 它容易陷入完美主义的泥潭,即由于试图完美的表现人的行为,因而势必不愿触及无法定量化的政策问题 D. 它回避了复杂而生动斩社会问题和社会戒规等伦理道德问题
第30题: [单项选择]According to the author, in factory, vegetable food______. A. is easy for chickens to digest B. is insufficient for the needs of poultry C. is fully utilized in meat and egg production D. is inefficiently converted into meat and eggs 参考答案:D 答案解析:[解析] 细节题。本题问的是:作者认为养殖场的蔬菜______。根据第2段第2句“This is because more protein has to be fed to animals in th